aleph1.co.uk Git - yaffs-website/blob - web/core/modules/forum/src/Breadcrumb/ForumBreadcrumbBuilderBase.php

   1 <?php
   2
   3 namespace Drupal\forum\Breadcrumb;
   4
   5 use Drupal\Core\Breadcrumb\BreadcrumbBuilderInterface;
   6 use Drupal\Core\Breadcrumb\Breadcrumb;
   7 use Drupal\Core\Config\ConfigFactoryInterface;
   8 use Drupal\Core\Entity\EntityManagerInterface;
   9 use Drupal\Core\Link;
  10 use Drupal\Core\Routing\RouteMatchInterface;
  11 use Drupal\Core\StringTranslation\StringTranslationTrait;
  12 use Drupal\Core\StringTranslation\TranslationInterface;
  13 use Drupal\forum\ForumManagerInterface;
  14
  15 /**
  16  * Provides a forum breadcrumb base class.
  17  *
  18  * This just holds the dependency-injected config, entity manager, and forum
  19  * manager objects.
  20  */
  21 abstract class ForumBreadcrumbBuilderBase implements BreadcrumbBuilderInterface {
  22   use StringTranslationTrait;
  23
  24   /**
  25    * Configuration object for this builder.
  26    *
  27    * @var \Drupal\Core\Config\Config
  28    */
  29   protected $config;
  30
  31   /**
  32    * The entity manager.
  33    *
  34    * @var \Drupal\Core\Entity\EntityManagerInterface
  35    */
  36   protected $entityManager;
  37
  38   /**
  39    * The forum manager service.
  40    *
  41    * @var \Drupal\forum\ForumManagerInterface
  42    */
  43   protected $forumManager;
  44
  45   /**
  46    * Constructs a forum breadcrumb builder object.
  47    *
  48    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
  49    *   The entity manager.
  50    * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
  51    *   The configuration factory.
  52    * @param \Drupal\forum\ForumManagerInterface $forum_manager
  53    *   The forum manager service.
  54    * @param \Drupal\Core\StringTranslation\TranslationInterface $string_translation
  55    *   The string translation service.
  56    */
  57   public function __construct(EntityManagerInterface $entity_manager, ConfigFactoryInterface $config_factory, ForumManagerInterface $forum_manager, TranslationInterface $string_translation) {
  58     $this->entityManager = $entity_manager;
  59     $this->config = $config_factory->get('forum.settings');
  60     $this->forumManager = $forum_manager;
  61     $this->setStringTranslation($string_translation);
  62   }
  63
  64   /**
  65    * {@inheritdoc}
  66    */
  67   public function build(RouteMatchInterface $route_match) {
  68     $breadcrumb = new Breadcrumb();
  69     $breadcrumb->addCacheContexts(['route']);
  70
  71     $links[] = Link::createFromRoute($this->t('Home'), '<front>');
  72
  73     $vocabulary = $this->entityManager
  74       ->getStorage('taxonomy_vocabulary')
  75       ->load($this->config->get('vocabulary'));
  76     $breadcrumb->addCacheableDependency($vocabulary);
  77     $links[] = Link::createFromRoute($vocabulary->label(), 'forum.index');
  78
  79     return $breadcrumb->setLinks($links);
  80   }
  81
  82 }